[FFmpeg-user] Guidance on converting images to video

James Darnley james.darnley at gmail.com
Sun Oct 11 01:10:30 CEST 2015

On 2015-10-11 00:58, Moritz Barsnick wrote:
> On Sun, Oct 11, 2015 at 00:29:25 +0200, James Darnley wrote:
>> And you wonder why it's slow.  You're on x86-64.  You at least have SSE2
>> instructions.  Why are you not using them?  You have to explicitly
>> disable assembly when building x264 to get "none".
> Actually, in my experience, while ffmpeg configure fails when not
> finding an appropriate assembler, x264 would just "silently" compile
> without assembly. This was the case for me when my yasm was too old for
> x264 to be used. But checking current x264's configure script, it
> should actually error out. That said, not only is Joseph's ffmpeg quite
> old, so is the x264 version that ffmpeg uses: core 138. So I'm guessing
> that's what happened, but bad work of a repo to let that slip through!

If that is or was possible at any point then I apologise for jumping to
that conclusion.  Perhaps I have confused which project has which error

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